(Manufacturer) Herring & Co., Safe Manufactory. Green illustrated embossed cameo corner card on cover to Guilford, Conn., reverse with additional large illustrated Factory View cameo in blue, cover franked with 1857, 3¢ dull red (pre-use defects) tied by New York cds and grid handstamp; cover slightly reduced at right, Very Fine. Scott No. 26  Estimate $200 - 300. $0 (Image)